14 inch 68 lb/ft C-95 Casing
Seamless C-95 alloy steel intermediate casing, 14-inch OD >406.4 mm, 68 lb/ft, threaded/coupled with integral connections for corrosion-resistant service. Under HTS 7304.29.31.80 as other alloy steel seamless casing for oil/gas drilling. Ideal for intermediate isolation in production zones.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not specifically for drilling use
General alloy steel tubes outside drilling end-use go to 7304.29.4x.
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Import Tips & Compliance
• Provide NACE MR0175 compliance for sour service; label with exact API grade
• Pitfall: alloy content below threshold reclassified as carbon steel
Related Products under HTS 7304.29.31.80
13-3/8 inch 72 lb/ft L-80 Type 13Cr Casing
Seamless alloy steel oil well casing pipe with 13-3/8 inch outside diameter, 72 lb/ft weight, L-80 grade with 13% chromium content, threaded and coupled for enhanced corrosion resistance in sour gas environments. Classified under HTS 7304.29.31.80 due to its seamless construction from other alloy steel, use in oil/gas drilling, and OD exceeding 406.4 mm. The threading and coupling facilitate secure connections in downhole applications.
16 inch 94 lb/ft P-110 Casing
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9-5/8 inch 53.5 lb/ft T-95 Casing
Seamless T-95 alloy steel production casing, 9-5/8 inch OD exceeding 406.4 mm equivalent in hierarchy, 53.5 lb/ft, threaded/coupled with BTC connections for intermediate casing strings in HP/HT wells. HTS 7304.29.31.80 applies for its alloy composition, seamless form, and drilling application. Provides structural integrity during cementing and production.
20 inch 133 lb/ft Q-125 Casing
Ultra-high strength Q-125 grade seamless alloy steel conductor casing, 20-inch OD, 133 lb/ft weight, threaded and coupled for surface hole support in offshore drilling. Classified in 7304.29.31.80 for large OD >406.4 mm, alloy steel, seamless drilling casing. Engineered for extreme collapse resistance.
18-5/8 inch 87.5 lb/ft C-110 Casing
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22 inch 163 lb/ft Proprietary Alloy Casing
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